Recent progress in public health has helped people live longer and healthier lives. There is abundant evidence of【C1】______the u

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问题     Recent progress in public health has helped people live longer and healthier lives. There is abundant evidence of【C1】______the use of existing knowledge has led to major improvements in the life【C2】______and quality of life of middle-aged and older people. Yet approximately four in five chronic disease deaths now occur in low and middle income countries, whose people are also more【C3】______to dying prematurely.
    The results of studies suggest that a global goal for preventing chronic disease is needed to generate the【C4】______actions required to reduce the disease burden. The target for this proposed goal is an additional 2% reduction in the death【C5】______from chronic disease annually over the next 10 years to 2015. The indicators for the measurement of success【C6】______this goal are the number of chronic disease deaths【C7】______and the number of healthy life years gained. This target was developed【C8】______the achievements of several countries, such as Poland, which achieved a 6-10% annual reduction in cardiovascular deaths during the 1990s. Similar results have been realized in a number of countries【C9】______in which comprehensive programs have been【C10】______.
【C1】

选项 A、which
B、how
C、what
D、that

答案B

解析 由于空白处后面是个完整的句子,不缺任何成分,可排除which和what;又因为空白处前面有介词of,可排除that,依据是evidence直接接that引导的同位语从句,不需要of.
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